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319166942882 = 283248132
BaseRepresentation
bin1001010010011111101…
…01010000111010100010
31010111211021220121110112
410221033311100322202
520212123214133012
6402342343131322
732026153152314
oct4511765207242
91114737817415
10319166942882
111133a3467167
1251a34443b42
1324135a4b028
141163a9357b4
158480223122
hex4a4fd50ea2

319166942882 has 18 divisors (see below), whose sum is σ = 484688690577. Its totient is φ = 157628021736.

The previous prime is 319166942881. The next prime is 319166942917. The reversal of 319166942882 is 288249661913.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 297996983881 + 21169959001 = 545891^2 + 145499^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=399479.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319166942881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 66311108 + ... + 66315920.

Almost surely, 2319166942882 is an apocalyptic number.

319166942882 is a deficient number, since it is larger than the sum of its proper divisors (165521747695).

319166942882 is an frugal number, since it uses more digits than its factorization.

319166942882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794 (or 4898 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 59.

The spelling of 319166942882 in words is "three hundred nineteen billion, one hundred sixty-six million, nine hundred forty-two thousand, eight hundred eighty-two".

Divisors: 1 2 83 166 4813 6889 9626 13778 399479 798958 23164969 33156757 46329938 66313514 1922692427 3845384854 159583471441 319166942882